Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Olympia Chimney Flue Liner Replacement: The Bedford Owner’s Guide
We stock and install Olympia Chimney-compatible flue liner replacement in Bedford, with typical installed prices running $2,800 to $5,400 depending on height, diameter, and whether the chase needs rework. Most Olympia Chimney liner jobs we book in Bedford are completed in a single day, and we carry common diameters on the truck. Homeowners usually discover the problem during a sweep when our camera finds gaps, spalling clay, or creosote bleeding through cracked terracotta - or they notice drafting problems, smoke odor, or a liner that has simply reached its end after 15 to 25 years of Westchester freeze-thaw cycles.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactures stainless steel flue liners in 304 and 316 alloys, with the 316L variant specified for oil and coal applications where sulfur exposure is heavier. The critical match points are inside diameter, overall length to the top of the chase, and whether your existing liner is a rigid or flexible configuration. Olympia’s flexible liners come in standard diameters from 3 to 12 inches, but the 6- and 8-inch sizes dominate the Bedford market for wood-burning fireplaces and inserts.
We see a common compatibility gotcha in the stone-and-timber colonials near Bedford Village: original clay flue tiles often measure 7 by 7 inches inside, but the actual round liner that fits is a 5.5- or 6-inch flexible, not a 7-inch. Measuring the clay opening rather than the net free area leads to ordering the wrong part. We check this with a laser measure during inspection. Hearthstone Chimney Co. is an independent service provider, not affiliated with Olympia Chimney - we source OEM Olympia liners and also stock quality aftermarket equivalents from DuraFlex and Gelco when the application allows. Our recommendation depends on fuel type, appliance BTU rating, and what your chase geometry will accommodate.
Signs Your Olympia Chimney Flue Liner Replacement Is Failing
- Visible gaps or cracks in clay tile. Our camera inspection catches this most often in Bedford homes built before 1980. The original terracotta expands and contracts through decades of freeze-thaw, eventually shearing at the mortar joints. Once the gap opens, combustion gases leak into the chimney cavity.
- Smoke or carbon monoxide backing into the room. This means the liner is no longer containing the flue stream. In a properly lined chimney, draft carries everything up and out. Backdraft is not a minor annoyance; it is a signal that the containment layer has failed.
- Flaking or spalling tile debris in the firebox. If you are sweeping out sandy terracotta chunks, the liner is disintegrating from the inside. That material is now obstructing the flue and creating a fire hazard where creosote can accumulate in the rough surface.
- Excessive creosote buildup despite moderate burning. A cracked liner creates turbulent, cooler zones where creosote condenses faster. We see this pattern in Bedford’s older homes where owners burn seasoned hardwood but still need sweeping twice a season.
- Water staining or rust on the damper. The liner’s secondary job is keeping moisture from the masonry. Once compromised, rain enters, accelerates deterioration, and rusts metal components. In Westchester’s wet shoulder seasons, this accelerates fast.
Replacement Cost & What’s Included
For Bedford properties, Olympia Chimney flue liner replacement typically falls in these ranges:
| Application | Price Range | What’s Included |
|---|---|---|
| Gas appliance, straight run | $2,800 - $3,600 | 316Ti flexible liner, top plate, rain cap, insulation wrap, labor |
| Wood fireplace, standard height | $3,400 - $4,500 | 316L flexible or rigid liner, connector, insulation, top plate, cap, labor |
| Wood stove insert, offset or tall chase | $4,200 - $5,400 | Custom-length flexible liner with offsets, insulation, top plate, cap, labor, chase modifications if needed |
What drives the range: chase height (Bedford’s hillside homes often run 25 to 35 feet), number of offsets, whether we need to remove an existing damaged liner first, and if the top of the chase requires reframing or a new crown pour. We do not quote over the phone without seeing the chimney; every estimate starts with a Level-2 camera inspection. The price we agree to is the price on the invoice. Work is covered by our 90-Day Done Right Promise - in writing, no arguing.
DIY or Call Us?
There is no safe DIY path for flue liner replacement. The work involves working at height on a pitched roof, handling sharp stainless steel in a confined flue, and properly insulating and securing the liner to NFPA 211 standards. An improperly seated liner can shift, block the flue, or create a gap that vents carbon monoxide into living space. We have been called to correct DIY liner jobs where the homeowner used the wrong alloy for their fuel type or skipped the insulation blanket, creating a condensation trap that rotted the chase from inside.
What you can safely check: look up the flue with a flashlight for visible tile damage, note any drafting issues or odors, and check the cleanout door for debris. Then call us. We will run the camera, show you the footage, and tell you exactly what we find. If it needs doing, we will tell you. If it does not, we will tell you that too.
FAQs
A 316 stainless steel liner properly sized and maintained lasts 15 to 25 years in Bedford’s climate, with the lower end more common for wood-burning installations where creosote acidity accelerates metal fatigue. Annual inspection and sweeping when needed are what push a liner toward the longer end of that range. Call (914) 409-9387 to schedule an inspection and see where yours stands.
Partial cracks in otherwise sound clay tile can sometimes be addressed with a HeatShield cerfractory seal, but only if the damage is limited and the tile structure is still intact. If the tile is spalling, shifted, or the flue is unlined, replacement is the only code-compliant solution. We document the condition with photos and give you a plain-English verdict - no camera evidence, no recommendation. Call (914) 409-9387 for a free estimate.
Most Olympia Chimney liner replacements in Bedford are completed in one day, occasionally stretching to two for tall chases or jobs requiring chase reconstruction. Our technicians arrive with the liner, insulation, and fittings on the truck. You will know the timeline before we start. Call (914) 409-9387 to book.
We carry the most common diameters and lengths for Bedford’s typical residential chimneys, and we source same-day from our distributor for less common sizes. We also stock DuraFlex, HeatShield, and Gelco equivalents when the application permits. Call (914) 409-9387 and we will confirm compatibility with your specific setup.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Bedford and nearby areas.





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